Vulnerability-Lookup

SUSE-SU-2023:0215-1

Vulnerability from csaf_suse - Published: 2023-01-30 16:27 - Updated: 2023-01-30 16:27

Summary

Security update for apache2-mod_auth_openidc

Severity

Moderate

Notes

Title of the patch: Security update for apache2-mod_auth_openidc

Description of the patch: This update for apache2-mod_auth_openidc fixes the following issues: - CVE-2022-23527: Fixed open redirect in oidc_validate_redirect_url() using tab character (bsc#1206441). - CVE-2021-39191: Fixed open redirect issue in target_link_uri parameter (bsc#1190223).

Patchnames: SUSE-2023-215,SUSE-SLE-Module-Server-Applications-15-SP4-2023-215,SUSE-SLE-Product-RT-15-SP3-2023-215,openSUSE-SLE-15.4-2023-215

CVE-2021-39191

4.7 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Affected products

Recommended 9 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Module for Server Applications 15 SP4:apache2-mod_auth_openidc-2.3.8-150100.3.22.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Server Applications 15 SP4:apache2-mod_auth_openidc-2.3.8-150100.3.22.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Server Applications 15 SP4:apache2-mod_auth_openidc-2.3.8-150100.3.22.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Server Applications 15 SP4:apache2-mod_auth_openidc-2.3.8-150100.3.22.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Real Time 15 SP3:apache2-mod_auth_openidc-2.3.8-150100.3.22.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.4:apache2-mod_auth_openidc-2.3.8-150100.3.22.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.4:apache2-mod_auth_openidc-2.3.8-150100.3.22.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.4:apache2-mod_auth_openidc-2.3.8-150100.3.22.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.4:apache2-mod_auth_openidc-2.3.8-150100.3.22.1.x86_64	—	Vendor Fix

Threats

Impact moderate

CVE-2022-23527

5.4 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Affected products

Recommended 9 products, the same list as for CVE-2021-39191

Threats

Impact moderate

References

13 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-security-upd…	self
https://bugzilla.suse.com/1190223	self
https://bugzilla.suse.com/1199868	self
https://bugzilla.suse.com/1206441	self
https://www.suse.com/security/cve/CVE-2021-39191/	self
https://www.suse.com/security/cve/CVE-2022-23527/	self
https://www.suse.com/security/cve/CVE-2021-39191	external
https://bugzilla.suse.com/1190223	external
https://www.suse.com/security/cve/CVE-2022-23527	external
https://bugzilla.suse.com/1206441	external

JSON

To clipboard

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          "text": "mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In versions prior to 2.4.9.4, the 3rd-party init SSO functionality of mod_auth_openidc was reported to be vulnerable to an open redirect attack by supplying a crafted URL in the `target_link_uri` parameter. A patch in version 2.4.9.4 made it so that the `OIDCRedirectURLsAllowed` setting must be applied to the `target_link_uri` parameter. There are no known workarounds aside from upgrading to a patched version.",
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}

CVE-2021-39191 (GCVE-0-2021-39191)

Vulnerability from cvelistv5 – Published: 2021-09-03 00:00 – Updated: 2024-08-04 01:58

Title

URL Redirection to Untrusted Site ('Open Redirect') in mod_auth_openidc

Summary

mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In versions prior to 2.4.9.4, the 3rd-party init SSO functionality of mod_auth_openidc was reported to be vulnerable to an open redirect attack by supplying a crafted URL in the `target_link_uri` parameter. A patch in version 2.4.9.4 made it so that the `OIDCRedirectURLsAllowed` setting must be applied to the `target_link_uri` parameter. There are no known workarounds aside from upgrading to a patched version.

Severity

4.7 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

CWE

CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

Assigner

GitHub_M mitre root Scorecard

References

7 references

URL	Tags
https://github.com/zmartzone/mod_auth_openidc/sec…
https://github.com/zmartzone/mod_auth_openidc/iss…
https://github.com/zmartzone/mod_auth_openidc/com…
https://github.com/zmartzone/mod_auth_openidc/rel…
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.debian.org/debian-lts-announce/2023…	mailing-list

Impacted products

1 product

Vendor	Product	Version
zmartzone	mod_auth_openidc	Affected: <=2.4.9.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T01:58:18.283Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "tags": [
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            "url": "https://github.com/zmartzone/mod_auth_openidc/commit/03e6bfb446f4e3f27c003d30d6a433e5dd8e2b3d"
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            "url": "https://github.com/zmartzone/mod_auth_openidc/releases/tag/v2.4.9.4"
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            "name": "FEDORA-2021-8d9aca2ded",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/32RGPW5LZDLDTB7MKZIGAHPSLFOUNWR5/"
          },
          {
            "name": "FEDORA-2022-814ee0c43b",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
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          },
          {
            "name": "[debian-lts-announce] 20230718 [SECURITY] [DLA 3499-1] libapache2-mod-auth-openidc security update",
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              "x_transferred"
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            "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00020.html"
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        "title": "CVE Program Container"
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          "product": "mod_auth_openidc",
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          "lang": "en",
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          "cvssV3_1": {
            "attackComplexity": "LOW",
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            "availabilityImpact": "NONE",
            "baseScore": 4.7,
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CVE-2022-23527 (GCVE-0-2022-23527)

Vulnerability from cvelistv5 – Published: 2022-12-14 17:22 – Updated: 2025-04-18 14:23

Title

Open Redirect in oidc_validate_redirect_url()

Summary

mod_auth_openidc is an OpenID Certified™ authentication and authorization module for the Apache 2.x HTTP server. Versions prior to 2.4.12.2 are vulnerable to Open Redirect. When providing a logout parameter to the redirect URI, the existing code in oidc_validate_redirect_url() does not properly check for URLs that start with /\t, leading to an open redirect. This issue has been patched in version 2.4.12.2. Users unable to upgrade can mitigate the issue by configuring mod_auth_openidc to only allow redirection when the destination matches a given regular expression with OIDCRedirectURLsAllowed.

Severity

4.7 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-18 14:22 UTC

CWE

CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

Assigner

GitHub_M mitre root Scorecard

References

3 references

URL	Tags
https://github.com/zmartzone/mod_auth_openidc/sec…	x_refsource_CONFIRM
https://github.com/zmartzone/mod_auth_openidc/blo…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2023…

Impacted products

1 product

Vendor	Product	Version
zmartzone	mod_auth_openidc	Affected: < 2.4.12.2

Show details on NVD website

JSON

To clipboard

{
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    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T03:43:46.551Z",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

SUSE-SU-2023:0215-1

CVE-2021-39191 (GCVE-0-2021-39191)

CVE-2022-23527 (GCVE-0-2022-23527)

Tags

Sightings

Nomenclature

Related by attack behaviour